Home / 1,149,623,225-1,586,480,745.50-620,987,444.60

Finding the Fourth Proportional to 1,149,623,225, 1,586,480,745.50 and 620,987,444.60

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Solution

The fourth proportional to 1,149,623,225, 1,586,480,745.50 and 620,987,444.60 is: 856,963,048.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,623,225 : 1,586,480,745.50 = 620,987,444.60 : x
  2. Step 2: Convert to fraction form
    1,149,623,225/1,586,480,745.50 = 620,987,444.60/x
  3. Step 3: Cross multiply
    1,149,623,225x = 1,586,480,745.50 × 620,987,444.60
  4. Step 4: Simplify right side
    1,149,623,225x = 985,184,624,055,148,032
  5. Step 5: Solve for x
    x = 985,184,624,055,148,032/1,149,623,225
  6. Step 6: Final answer
    x = 856,963,048.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.